 v 0.3.1
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- checkbox functionality
- bugfixes
 

 v 0.3.0
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- new function `set_node_attrs()` to set distinct node or leaf attributes 
  (useful for creating file tree icons)
 
 v 0.2.7
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- Added context menu support.
- Added support for promises/future to render a tree asynchronously.
- Added additional examples for file browser and metadata retreival.
- Added support to display various icons using types and specifying tree items
- Added support for conversion from/to data.tree 

 v 0.2.6
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- Many improvements to expose more jsTree options.
- Tree can now be correctly updated (see new examples).

 v 0.2.0
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- BREAKING CHANGE: Model the `input$list`-style lists after the list structure
  provided to `renderTree`, meaning that they are now a simple are list with the
  same `st`- prefixed attributes. See `inst/examples/05-structure`.
- BREAKING CHANGE: removed `selected` attribute from `shinyTree()` in favor of
  `get_selected()`. See `inst/examples/04-selected/`.

 v 0.1.0
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- Initial Release
